<cr-view-manager id="viewManager" hidden$="[[isErrorShown_]]">
   <edu-coexistence-ui id="edu-coexistence-ui"  slot="view">
   </edu-coexistence-ui>
   <edu-coexistence-offline id="edu-coexistence-offline"  slot="view">
   </edu-coexistence-offline>
   <edu-coexistence-error id="edu-coexistence-error"  slot="view">
   </edu-coexistence-error>
 </cr-view-manager>
